$F6ED/63213: Check STOP Key
F6ED: A5 91 LDA $91 ; Flag: $7F = STOP key
F6EF: C9 7F CMP #$7F
F6F1: D0 07 BNE $F6FA
F6F3: 08 PHP
F6F4: 20 CC FF JSR $FFCC ; Restore I/O Vector
F6F7: 85 C6 STA $C6 ; Number of Characters in Keyboard Buffer queue
F6F9: 28 PLP
Jump from $F6F1:
F6FA: 60 RTS
Previous Page / Next Page